diff --git a/sound/drivers/portman2x4.c b/sound/drivers/portman2x4.c
index 0eb9b5c..e065b2a 100644
--- a/sound/drivers/portman2x4.c
+++ b/sound/drivers/portman2x4.c
@@ -611,7 +611,7 @@
 /*********************************************************************
  * parport stuff
  *********************************************************************/
-static void snd_portman_interrupt(int irq, void *userdata)
+static void snd_portman_interrupt(void *userdata)
 {
 	unsigned char midivalue = 0;
 	struct portman *pm = ((struct snd_card*)userdata)->private_data;